

Medical Oncology, Hematology
Primary Location
Ruben A. Saez, M.D., FACP, is board certified in hematology, internal medicine, medical oncology and as a medical examiner.
Clerkship in Bone Marrow Transplantation
Fred Hutchinson Cancer Research Center, Seattle, WA
Fellowship in Hematology and Medical Oncology
The University of Texas Health Science Center at San Antonio, San Antonio, TX
Residency in Internal Medicine
The University of Texas School of Public Health, Dallas, TX
Internship in Internal Medicine
The University of Texas School of Public Health, Dallas, TX
Medical Doctorate
University of Puerto Rico School of Medicine, San Juan, Puerto Rico
Ruben A. Saez, M.D., FACP, is board certified in hematology, internal medicine, medical oncology and as a medical examiner.
Clerkship in Bone Marrow Transplantation
Fred Hutchinson Cancer Research Center, Seattle, WA
Fellowship in Hematology and Medical Oncology
The University of Texas Health Science Center at San Antonio, San Antonio, TX
Residency in Internal Medicine
The University of Texas School of Public Health, Dallas, TX
Internship in Internal Medicine
The University of Texas School of Public Health, Dallas, TX
Medical Doctorate
University of Puerto Rico School of Medicine, San Juan, Puerto Rico
Effective December 7, 2026, Ruben A. Saez, M.D., FACP, will begin seeing patients at Texas Oncology-Plano Cancer Center. Patients with appointments on or after this date will receive care at the new location. Please contact our office with any questions regarding your upcoming appointment.